I have finally moved over my August Pro 3 Lock from SmartThings to Hubitat. Yes, it was one of the last items to move over. I was dreading it as well. I struggled with this on SmartThings too, with a combination of hub updates and August lock firmware updates. At first everything was fine and then an update broke everything. SmartThings fix (workaround) was to downgrade the firmware on the August Lock. This had worked until I had moved this device to Hubitat. Once I did that, I was back to square one. I have been working with August (and attempted to work with Hubitat with no response) to address this issue. August moved my firmware to the latest build. It didn’t exactly “fix” the issue, but the lock responded more frequently. One of the issues I was seeing was the lock (of Hub z-wave) wouldn’t always report the status of the lock. Example issued command (Lock or unlock) but the confirmation that it was completed never came back thinking it was still in the last state. Or if the lock was physically unlocked (for example) it wouldn’t get the report back either and it would lose communication to z-wave. I’m still testing but with latest build issue by August (may require calling in) and the latest build of Hubitat https://community.hubitat.com/t/release-2-2-1-available/ MAY have addressed the lock responsive issue. So far, in my limited testing this has been promising.